Add documentation for the Unity Asset Store

Author: lopespm

Assets/CameraMultiTarget/Documentation.meta

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+# Dynamic Multi Target Camera for Unity
+
+Concise Unity library which dynamically keeps a set of objects (e.g. players and important objects) in view, a common problem for a wide range of games. This asset is a direct build from the source code available on [GitHub](https://github.com/lopespm/unity-camera-multi-target).
+
+More information about the library's inner workings and underlying math is available in the related [blog article](https://lopespm.github.io/libraries/games/2018/12/27/camera-multi-target.html)
+
+The library was developed for, and used by [Survival Ball](https://survivalball.com/). The game has an heavy shared screen local co-op component, which requires the camera to dynamically keep many key elements in view.
+
+
+## Install
+
+Import the `CameraMultiTarget` folder into your project when installing it from the Asset Store.
+
+
+## Usage
+
+Add the [`CameraMultiTarget`](Assets/CameraMultiTarget/Library/CameraMultiTarget.cs) component to a camera and then you can programatically set which game objects the camera will track via the component's [`SetTargets(GameObject[] targets)`](Assets/CameraMultiTarget/Library/CameraMultiTarget.cs#L23) method.
+
+For example, you can set the targets in your game controller component (if you choose to have one), like the following:
+
+    public class ExampleGameController : MonoBehaviour
+    {
+        public CameraMultiTarget cameraMultiTarget;
+    
+        private void Start() {
+            var targets = new List<GameObject>();
+            targets.Add(CreateTarget());
+            targets.Add(CreateTarget());
+            targets.Add(CreateTarget());
+            cameraMultiTarget.SetTargets(targets.ToArray());
+        }
+
+        private GameObject CreateTarget() {
+            GameObject target = GameObject.CreatePrimitive(PrimitiveType.Capsule);
+            target.transform.position = Random.insideUnitSphere * 10f;
+            return target;
+        }
+    }
+
+
+## Example Scene
+
+An example scene of the library's usage is included in the `CameraMultiTarget/Example` folder.

Assets/CameraMultiTarget/Documentation/README.md

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+#!/usr/bin/env bash
+
+pandoc README.md -s -o README.pdf --variable colorlinks=true -V geometry:margin=1.3in

Assets/CameraMultiTarget/Documentation/README.md.meta

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     16:9: 1
     Others: 1
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+  bundleVersion: 1.2
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